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122312321230 = 251122318792339
BaseRepresentation
bin111000111101001100…
…0011110100011001110
3102200201011012200220111
41301322120132203032
54000443423234410
6132104533310234
711560004401501
oct1617230364316
9380634180814
10122312321230
1147966131300
121b85619537a
13b6c3284798
145cc44a1138
1532aceacb8a
hex1c7a61e8ce

122312321230 has 96 divisors (see below), whose sum is σ = 252760435200. Its totient is φ = 42502595520.

The previous prime is 122312321189. The next prime is 122312321239. The reversal of 122312321230 is 32123213221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312321239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52291401 + ... + 52293739.

It is an arithmetic number, because the mean of its divisors is an integer number (2632921200).

Almost surely, 2122312321230 is an apocalyptic number.

122312321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122312321230 is an abundant number, since it is smaller than the sum of its proper divisors (130448113970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122312321230 is a wasteful number, since it uses less digits than its factorization.

122312321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270 (or 4259 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122312321230 its reverse (32123213221), we get a palindrome (154435534451).

The spelling of 122312321230 in words is "one hundred twenty-two billion, three hundred twelve million, three hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 121 230 242 253 506 605 1210 1265 1879 2339 2530 2783 3758 4678 5566 9395 11695 13915 18790 20669 23390 25729 27830 41338 43217 51458 53797 86434 103345 107594 128645 206690 216085 227359 257290 268985 283019 432170 454718 475387 537970 566038 591767 950774 1136795 1183534 1415095 2273590 2376935 2830190 2958835 4394981 4753870 5229257 5917670 6509437 8789962 10458514 13018874 21974905 26146285 32547185 43949810 48344791 52292570 65094370 96689582 101084563 202169126 241723955 483447910 505422815 531792701 1010845630 1063585402 1111930193 2223860386 2658963505 5317927010 5559650965 11119301930 12231232123 24462464246 61156160615 122312321230